This welding head is special designed for pipe to pipe TIG welding, suitable for carbon steel, stainless steel pipe to pipe connection, mainly for wire feeding or self-fusion, option of TB150 integrated wire feeder and HWT10 external wire feeder with AVC & OSC function.

Support equipment: i-Arc400 Programmable Orbital Welding Power Source.
Application: chemical, food, medicine, engineering installation, boiler, military, nuclear and so on.

Specification :

	TOA77	TOA130	TOA180	TOA230	TOA320
Material	Carbon steel, stainless steel
Tube OD(mm)	Inner clamp:Î¦19.05ï½Î¦45(3/4â³ï½1 3/4â³)	Inner clamp:Î¦38.1ï½Î¦76(1 1/2â³ï½3â³)	Inner clamp:Î¦50.8ï½Î¦114.3(2â³ï½4 1/2â³)	Inner clamp:Î¦120ï½Î¦178(4 1/2â³ï½7â³)	Inner clamp:Î¦150ï½Î¦230(6â³ï½9â³)
Tube OD(mm)	Outer clamp:Î¦45ï½Î¦77(1 3/4â³ï½3â³)	Outer clamp:Î¦76ï½Î¦130(3â³ï½5â³)	Outer clamp:Î¦114.3ï½Î¦180(4 1/2â³ï½7â³)	Outer clamp:Î¦178ï½Î¦230(7â³ï½9â³)	Outer clamp:Î¦230ï½Î¦324(9â³ï½12 3/4â³)
Tungsten diameter(mm)	Î¦2.4ãÎ¦3.2	Î¦2.4ãÎ¦3.2	Î¦2.4ãÎ¦3.2	Î¦2.4ãÎ¦3.2	Î¦2.4ãÎ¦3.2
Rotation speed(rpm)	0.19ï½3.8	0.11ï½2.2	0.09ï½1.8	0.05ï½1.0	0.026ï½0.52
Protective gas	Ar	Ar	Ar	Ar	Ar
Cooling	Water	Water	Water	Water	Water
Cooling flow(ml/min)	â¥600	â¥600	â¥600	â¥600	â¥600
OSC width(mm)	20	40	40	40	40
AVC height(mm)	40	40	40	40	40
Wire diameter(mm)	Î¦1.0(standard)	Î¦1.0(standard)	Î¦1.0(standard)	Î¦1.0(standard)	Î¦1.0(standard)
Max wire feeding speed(mm/min)	1800	1800	1800	1800	1800
Dimension(mm)	ã	ã	ã	ã	ã
A	220	300	375	425	550
B	180	235	285	300	315
C	112ï½132	132ï½172	184ï½224	195ï½235	230ï½270
D	92	165	225	250	297
E	82	132	182	232	328
F	320	400	525	570	680
Weight(kg)	5.5(no cable)	10.8(no cable)	19.5(no cable)	21.5(no cable)	36(no cable)
Dimension(mm)	370Ã220Ã320	435Ã300Ã400	445Ã375Ã525	465Ã425Ã570	430Ã610Ã680